Openwrt/openwrt/package/ppp/files/ifup.pppoa

#!/bin/sh
[ $# = 0 ] && { echo "  $0 <group>"; exit; }
. /etc/functions.sh
. /etc/network.overrides
[ -e /etc/config/network ] && . /etc/config/network
type=$1

[ "$(nvram get ${type}_proto)" = "pppoa" ] || {
	echo "$0: ${type}_proto isn't pppoa"
	exit
}

for module in slhc ppp_generic pppoatm; do
	/sbin/insmod $module 2>&- >&-
done

VPI=$(nvram get atm_vpi)
VCI=$(nvram get atm_vci)
USERNAME=$(nvram get ppp_username)
PASSWORD=$(nvram get ppp_passwd)
KEEPALIVE=$(nvram get ppp_redialperiod)
KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 1 lcp-echo-failure $KEEPALIVE}
DEMAND=$(nvram get ppp_demand)
case "$DEMAND" in
	on|1|enabled)
		DEMAND=$(nvram get ppp_idletime)
		DEMAND=${IDLETIME:+demand idle $IDLETIME}
	;;
	*) DEMAND="persist";;
esac
MTU=$(nvram get ppp_mtu)
MTU=${MTU:-1500}

/usr/sbin/pppd \
	plugin pppoatm.so ${VPI:-8}.${VCI:-35} \
	usepeerdns \
	defaultroute \
	linkname $type \
	ipparam $type \
	user "$USERNAME" \
	password "$PASSWORD" \
	mtu $MTU mru $MTU \
	$DEMAND \
	$KEEPALIVE